Electric-acoustic testing device



FIG. 1 is a front view of an electric-acoustic testing device of the present invention.

FIG. 2 is a rear view of the electric-acoustic testing device of FIG. 1.

FIG. 3 is a left side view of the electric-acoustic testing device of FIG. 1.

FIG. 4 is a right side view of the electric-acoustic testing device of FIG. 1.

FIG. 5 is a top view of the electric-acoustic testing device of FIG. 1; and,

FIG. 6 is a bottom view of the electric-acoustic testing device of FIG. 1.

The dash lines in FIGS. 1-6 illustrate portions of the electric-acoustic testing device that form no part of the claimed design.

The diagonal hatch shading applied to the view depicted in FIG. 1 represents contrasting appearance to the adjacent non-diagonal-hatch shading area. 

CLAIM The ornamental design for an electric-acoustic testing device, as shown and described. 